At this time, the sun shines at such an angle to make it appear as if there is a gigantic 'V' and 'X' marking the barren ...

The full buck moon will reach its peak illumination on Thursday, July 10. It’s just one of this month’s celestial highlights.

When the Sun hits the rims of the Blanchinus, La Caille, and Purbach craters at just the right angles during the Moon's cycle ...

There will be several chances to see the shadow of Saturn's largest moon, Titan, pass across the ringed planet's Earth-facing ...

For about four hours, with the sun in just the right place, the moon's mountains and craters seem to spell out letters ...

But in space or on the Moon, there are no power lines, no sunlight at night and no backup grid. Every system — from life ...

There's something neat that happens when the full moon is closer to the horizon, and we call it the "moon illusion." ...

YR4 won’t hit Earth, but a 4% chance remains for a lunar impact. ESA's upcoming NEOMIR telescope could revolutionize early ...

There's something neat that happens when the full moon is closer to the horizon, and we call it the "moon illusion." ...